CA2960089C - Aube a becquet - Google Patents

Aube a becquet Download PDF

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Publication number
CA2960089C
CA2960089C CA2960089A CA2960089A CA2960089C CA 2960089 C CA2960089 C CA 2960089C CA 2960089 A CA2960089 A CA 2960089A CA 2960089 A CA2960089 A CA 2960089A CA 2960089 C CA2960089 C CA 2960089C
Authority
CA
Canada
Prior art keywords
blade
upstream
downstream
edge
foot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2960089A
Other languages
English (en)
French (fr)
Other versions
CA2960089A1 (fr
Inventor
Laurent Jablonski
Pierre-Guillaume BARDIN
Philippe Gerard Edmond Joly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Publication of CA2960089A1 publication Critical patent/CA2960089A1/fr
Application granted granted Critical
Publication of CA2960089C publication Critical patent/CA2960089C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
    • F01D21/045—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position special arrangements in stators or in rotors dealing with breaking-off of part of rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Supercharger (AREA)
CA2960089A 2014-09-08 2015-09-03 Aube a becquet Active CA2960089C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1458400A FR3025553B1 (fr) 2014-09-08 2014-09-08 Aube a becquet amont
FR1458400 2014-09-08
PCT/FR2015/052326 WO2016038280A1 (fr) 2014-09-08 2015-09-03 Aube a becquet

Publications (2)

Publication Number Publication Date
CA2960089A1 CA2960089A1 (fr) 2016-03-17
CA2960089C true CA2960089C (fr) 2022-11-29

Family

ID=51987319

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2960089A Active CA2960089C (fr) 2014-09-08 2015-09-03 Aube a becquet

Country Status (9)

Country Link
US (1) US10598033B2 (ru)
EP (1) EP3191688A1 (ru)
JP (1) JP6869174B2 (ru)
CN (1) CN106852162B (ru)
BR (1) BR112017004472B1 (ru)
CA (1) CA2960089C (ru)
FR (1) FR3025553B1 (ru)
RU (1) RU2701677C2 (ru)
WO (1) WO2016038280A1 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3094400B1 (fr) * 2019-03-28 2022-12-16 Safran Rotor de soufflante pour turbomachine
FR3096727B1 (fr) * 2019-05-27 2021-06-25 Safran Helicopter Engines Aube de turbine dotée d’une cavité de fragilisation d’une section frangible
FR3108664A1 (fr) * 2020-03-31 2021-10-01 Safran Aircraft Engines Rotor de soufflante comprenant des aubes à centre de gravité en amont
FR3108665A1 (fr) * 2020-03-31 2021-10-01 Safran Aircraft Engines Rotor de soufflante comprenant des aubes à centre de gravité en amont

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419381A (en) 1972-03-09 1975-12-31 Rolls Royce Fan for gas turbine engines
US4265595A (en) 1979-01-02 1981-05-05 General Electric Company Turbomachinery blade retaining assembly
FR2502690B1 (fr) * 1981-03-27 1985-09-13 Snecma Dispositif de verrouillage d'aubes de soufflante et de fixation de capot avant d'un turboreacteur
US4453890A (en) 1981-06-18 1984-06-12 General Electric Company Blading system for a gas turbine engine
FR2508541B1 (fr) * 1981-06-25 1985-11-22 Snecma Dispositif d'amortissement d'aubes de turbomachines, notamment de soufflantes
FR2524932A1 (fr) * 1982-04-08 1983-10-14 Snecma Dispositif de retenue axiale de pieds d'aube dans un disque de turbomachine
US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
US4872812A (en) * 1987-08-05 1989-10-10 General Electric Company Turbine blade plateform sealing and vibration damping apparatus
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
US6328533B1 (en) 1999-12-21 2001-12-11 General Electric Company Swept barrel airfoil
JP3864157B2 (ja) * 2003-12-05 2006-12-27 本田技研工業株式会社 軸流型タービンホイール
US7252481B2 (en) 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
FR2918409B1 (fr) * 2007-07-05 2011-05-27 Snecma Partie tournante de turbomachine comprenant des secteurs inter-aubes formant plateforme rapportes fixement sur un disque
FR2931871B1 (fr) * 2008-05-29 2011-08-19 Snecma Rotor de soufflante pour une turbomachine.
US8419370B2 (en) * 2009-06-25 2013-04-16 Rolls-Royce Corporation Retaining and sealing ring assembly
US8435006B2 (en) * 2009-09-30 2013-05-07 Rolls-Royce Corporation Fan
CN103850751A (zh) * 2012-12-06 2014-06-11 武隆县驰锐轮胎销售部 一种磁场静化抗磨剂补给机油隔
RU144424U1 (ru) * 2014-04-22 2014-08-20 Открытое Акционерное Общество "Уфимское Моторостроительное Производственное Объединение" (Оао "Умпо") Лопатка рабочего колеса ротора компрессора низкого давления турбореактивного двигателя

Also Published As

Publication number Publication date
JP2017532484A (ja) 2017-11-02
EP3191688A1 (fr) 2017-07-19
FR3025553B1 (fr) 2019-11-29
US10598033B2 (en) 2020-03-24
US20170298750A1 (en) 2017-10-19
RU2701677C2 (ru) 2019-10-01
CA2960089A1 (fr) 2016-03-17
BR112017004472A2 (pt) 2017-12-05
BR112017004472B1 (pt) 2022-12-20
CN106852162A (zh) 2017-06-13
RU2017107567A3 (ru) 2019-03-18
CN106852162B (zh) 2020-05-08
JP6869174B2 (ja) 2021-05-12
FR3025553A1 (fr) 2016-03-11
WO2016038280A1 (fr) 2016-03-17
RU2017107567A (ru) 2018-10-10

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